Beckhoff PLC

Establish a connection to a Beckhoff TwinCAT PLC, which allows you to read and write to PLC symbols.

This node initializes the PLC. If you connect its output to a GetProperty node, you can gather information about the PLC. Usually you would connect the output to a Read Symbol node to read symbol data, or a Write Symbol node to write symbol data.

Inputs

AMS NetID (Type: string)

The identifier of the Beckhoff PLC.

Port (Type: Int32)

The port of the Beckhoff PLC.

Outputs

Module (Type: TwinCAT.Ads.AdsClient)

The Beckhoff PLC (ADS) instance.

Since establishing a connection to a PLC is often an operation with a somewhat global character, the Beckhoff PLC node is sometimes put into the pipeline globals or the system globals.